684368422 has 8 divisors (see below), whose sum is σ = 1086938136. Its totient is φ = 322055712.

The previous prime is 684368417. The next prime is 684368441. The reversal of 684368422 is 224863486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10064208 + ... + 10064275.

It is an arithmetic number, because the mean of its divisors is an integer number (135867267).

Almost surely, 2^684368422 is an apocalyptic number.

684368422 is a deficient number, since it is larger than the sum of its proper divisors (402569714).

684368422 is a wasteful number, since it uses less digits than its factorization.

684368422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20128502.

The product of its digits is 442368, while the sum is 43.

The square root of 684368422 is about 26160.4361966692. The cubic root of 684368422 is about 881.2449759652.

The spelling of 684368422 in words is "six hundred eighty-four million, three hundred sixty-eight thousand, four hundred twenty-two".